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Timer update event delay

I am using timer15 to generate TRGO by update event, which is used to trigger DMA to transfer data via spi.From the oscilloscope, I found a delay around 150ns between rising edge of TRGO (PWM output on PA2) and first pulse of SPI sck.I am not sure wh...

Resolved! NUCLEO-F767ZI: usb: over-current condition

I am using a NUCLEO-F767ZI Board.Previously I have not used or configured any GPIO. Then I used CubeMX to reconfigure 3 Pins to Inputs with Pull-Down like this: if (HAL_GPIO_ReadPin(button_uncouple_GPIO_Port, button_uncouple_Pin) == GPIO_PIN_SET) {I...

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mo_krauti by Associate III
  • 366 Views
  • 2 replies
  • 0 kudos

Resolved! Unable to communicate with STM32U0 on custom board

Hello STM community,I have built and assembled a custom PCB board with an STM32U083CC on it. I have made 5 boards, after the first two did not work, I only populated the minimum on the other three. However, I am unable to debug or event connect to it...

MaMuller_0-1744029994636.png MaMuller_1-1744030764468.png
MaMuller by Associate II
  • 655 Views
  • 4 replies
  • 0 kudos

Resolved! STM32G431RBT6 ADC internal Vref 2.048V

Hi Team,We are using STM32G431RBT6, we have tested the ADC1 for PA3 i.e. Channel4 with external Vref 3.3 and VDDA 3.3 with 12-bit selection and the reading we are getting with 5 to 10 counts fluctuations we are seeing but when we have changed to inte...

sshan.2 by Associate III
  • 1250 Views
  • 14 replies
  • 2 kudos

STM32H743 ADC sampling problem

Hi all. I have encountered one ADC sampling problem in STM32H743. When the signal's amplitude is large, the ADC works fine. However, when the signal's amplitude is low, there are many jitters that I don't want. What happens here? How to fix it? Many ...

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lea3 by Associate
  • 683 Views
  • 4 replies
  • 0 kudos

Resolved! Cannot restart Output Compare

I am using output compare with TIM3 on a STM32H755 I am able to use Output Compare to generate a single pulse on pin PC7 using TIM3, Channel 2.I am using Active Level on Match.I call HAL_TIM_OC_Start(&htim3, TIM_CHANNEL_2) onceAfter 0.5s, it detects ...

NickO by Associate III
  • 711 Views
  • 4 replies
  • 2 kudos